The Young’s modulus of steel wire of radius r and length L is Y

Question

The Young’s modulus of steel wire of radius $r$ and length $L$ is $Y$ . If the radius $r$ and length $L$ of the wire are doubled then the value of $Y$ : [2026]

Smart Achievers · Accepted Answer

(3)

Y is independent of geometry.

So, Y will not change.

Solution

Q.
The Young’s modulus of steel wire of radius $r$ and length $L$ is $Y$ . If the radius $r$ and length $L$ of the wire are doubled then the value of $Y$ : [2026]

1 increases by two times

2 reduces by half

3 remains unchanged

4 becomes one fourth

Ans.
(3)

Y is independent of geometry.

So, Y will not change.

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